6547SS INSIDE SPRING

Details

Bypasses excess liquid. Adjustable to maintain control of line pressure at
any pressure within the valve's operating range. Selected pressure setting
firmly held in place by locknut. Extra large valve passages to handle large
flows.

Valve Number

Inlet &
Pipe Connections

Material

Pressure Range

(B)23120-*-PP

1/2" or 3/4"

Polypropylene

150 psi (10 bar)

(B)23120A-*-PP

1/2" or 3/4"

Polypropylene

150 psi (10 bar)

(B)23120-*-PP-60

1/2" or 3/4"

Polypropylene

60 psi (4 bar)

(B)23120-*-PP-60-VI

1/2" or 3/4"

Polypropylene/Viton

60 psi (4 bar)

*Specify pipe size.(B) = BSPT

How to
order:Specify valve number.
Example: (B)23120-1/2-PP

Valve Number

Inlet &
Pipe Connections

Material

Pressure Range

(B)6815-*-50

1/2" or 3/4"

Brass or Aluminum

50 psi (3.5 bar)

(B)6815-*-300

1/2" or 3/4"

Brass or Aluminum

300 psi (20 bar)

(B)6815-*-700

1/2" or 3/4"

Brass or Aluminum

700 psi (48 bar)

*Specify
pipe size. (B) = BSPT

How to
order:Specify valve number.
Example: (B)6815-1/2-50

Bulk

Display

Display

Part #

Description

Item #

Each

Item #

Each

6815-1/2

Pressure Relief Valve-BR

76436

1

6815-3/4

Pressure Relief Valve-BR

76437

1

383872

1

23120-3/4-PP

Pressure Relief Valve-Poly

76438

1

383873

1

Repair Parts for 6815
Valve

CP6544-AL

Guide Seal

76440

1

CP5899-BU

Gasket

76442

1

CP6545-AL

Spring Retainer

76444

1

CP6547-SS

Inside Spring

76446

1

CP6546-SS

Outside Spring

76448

1

Model
23120 and Model 23120A

Features

Model 23120 has a 302 stainless steel spring
and EPDM O-ring.

Model 23120A has a 316 stainless
steel spring and Viton® O-ring.

Excellent chemical resistance.

1/4" port for pressure gauge pipe plug
included.

Model
6815

Features

Other models for high pressures up to 1,200
psi (82 bar) are also available.